/Engine/Source/Editor/UMGEditor/Public/WidgetBlueprintEditorUtils.h
static bool RenameWidget ( [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< class [FWidgetBlueprintEditor](API\Editor\UMGEditor\FWidgetBlueprintEditor) > BlueprintEditor, const [FName](API\Runtime\Core\UObject\FName) & OldObjectName, const [FString](API\Runtime\Core\Containers\FString) & NewDisplayName )